poj2070 水题

#include<cstdio>
using namespace std;
int main()
{
    double a,b,c;
    bool f = true;
    double player[3][3]={{4.5,150,200},{6.0,300,500},{5.0,200,300}};
    char position[3][30]={{"Wide Receiver"},{"Lineman"},{"Quarterback"}};
    while(scanf("%lf%lf%lf",&a,&b,&c)&&(a||b||c))
    {
        f = true;
        for(int i = 0;i<3;++i)
        {
            if(a<=player[i][0]&&b>=player[i][1]&&c>=player[i][2])
             {
                 if(!f) printf(" ");
                 printf("%s",position[i]);
                 f = false;
             }
        }
        if(f) puts("No positions");
        else printf("\n");
    }
    return 0;
}